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All results from a given calculation for C3H6O (Acetone enol)

using model chemistry: MP2=FULL/3-21G

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at MP2=FULL/3-21G
 hartrees
Energy at 0K-191.263378
Energy at 298.15K-191.269788
HF Energy-190.866294
Nuclear repulsion energy118.800477
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at MP2=FULL/3-21G
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3515 3356 5.99      
2 A' 3289 3140 8.46      
3 A' 3192 3047 3.89      
4 A' 3186 3042 11.88      
5 A' 3097 2957 9.30      
6 A' 1714 1637 67.65      
7 A' 1597 1525 12.67      
8 A' 1531 1462 13.33      
9 A' 1493 1426 11.70      
10 A' 1430 1365 2.13      
11 A' 1211 1156 119.87      
12 A' 1068 1019 23.55      
13 A' 993 948 43.39      
14 A' 835 797 7.87      
15 A' 475 453 18.19      
16 A' 407 389 3.41      
17 A" 3163 3020 12.24      
18 A" 1577 1505 6.65      
19 A" 1147 1095 2.93      
20 A" 852 813 90.99      
21 A" 738 704 8.26      
22 A" 506 483 13.32      
23 A" 455 434 135.43      
24 A" 155 148 1.21      

Unscaled Zero Point Vibrational Energy (zpe) 18811.6 cm-1
Scaled (by 0.9548) Zero Point Vibrational Energy (zpe) 17961.3 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at MP2=FULL/3-21G
ABC
0.32236 0.30001 0.16006

See section I.F.4 to change rotational constant units
Geometric Data calculated at MP2=FULL/3-21G

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.970 -1.054 0.000
C2 0.000 0.106 0.000
C3 0.351 1.402 0.000
O4 -1.325 -0.373 0.000
H5 1.999 -0.688 0.000
H6 0.803 -1.675 0.886
H7 0.803 -1.675 -0.886
H8 1.394 1.690 0.000
H9 -0.381 2.204 0.000
H10 -1.948 0.401 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 O4 H5 H6 H7 H8 H9 H10
C11.51222.53302.39321.09261.09451.09452.77663.52733.2600
C21.51221.34281.40862.15152.14512.14512.11002.13231.9699
C32.53301.34282.44132.66223.23373.23371.08201.08632.5078
O42.39321.40862.44133.33882.64682.64683.41292.74430.9934
H51.09262.15152.66223.33881.78581.78582.45423.74644.0946
H61.09452.14513.23372.64681.78581.77193.52924.15133.5578
H71.09452.14513.23372.64681.78581.77193.52924.15133.5578
H82.77662.11001.08203.41292.45423.52923.52921.84873.5821
H93.52732.13231.08632.74433.74644.15134.15131.84872.3888
H103.26001.96992.50780.99344.09463.55783.55783.58212.3888

picture of Acetone enol state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 124.946 C1 C2 O4 109.996
C2 C1 H5 110.340 C2 C1 H6 109.715
C2 C1 H7 109.715 C2 C3 H8 120.585
C2 C3 H9 122.416 C2 O4 H10 108.961
C3 C2 O4 125.057 H5 C1 H6 109.474
H5 C1 H7 109.474 H6 C1 H7 108.085
H8 C3 H9 116.999
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability